Merge pull request hestiacp#1216 from hestiacp/fix/2020-09_zstd-upgrade-process

Fix/2020 09 zstd upgrade process

Author: ScIT-Raphael

install/upgrade/versions/1.3.0.sh

@@ -56,4 +56,4 @@ fi
 
 # Change backup mode to zstd.
  echo "[ * ] Enable new backup compression zstd as default."
- $HESTIA/v-change-sys-config-value "BACKUP_MODE" "zstd"
+ $BIN/v-change-sys-config-value "BACKUP_MODE" "zstd"